Category Archives: Biology

Entries related to biology of opisthobranchs

How to differentiate the pink Flabellina

Any diver with a certain experience searching for opisthobranchs in the Mediterranean Sea or NE Atlantic could tell you that, sometimes, it is pretty difficult to tell apart which species of pink Flabellina you are looking at. It’s not really that difficult, as … Continue reading

Posted in Biology | Tagged , , , , , , | Comments Off on How to differentiate the pink Flabellina

How to distinguish the blue Felimare [Hypselodoris]

Any diver with a certain experience searching for opisthobranchs in the Mediterranean or Eastern Atlantic could tell you that, sometimes, it is pretty difficult to tell apart which species of blue Felimare nudibranch you are looking at. The new genus … Continue reading

Posted in Biology | Tagged , , , , , , , , , , , | Comments Off on How to distinguish the blue Felimare [Hypselodoris]

Tylodina perversa, a sheep disguised as a wolf

Tylodina perversa is an opisthobranch species quite common in the Costa Brava (NE Spain), especially on sponges Aplysina (Verongia) aerophoba that are found in very shallow water. Although it has been always considered carnivorous -it is always found feeding on … Continue reading

Posted in Biology | Tagged , , , , , , , , , , , , , , | Comments Off on Tylodina perversa, a sheep disguised as a wolf